88 10' 00" 8' 00"


44 38' 01


36' OC



34' OC



32' O(



30' 0(



28' 01



26' 01



24' 01


                                       Contour Interval 10 feet


Figure 14. Structure-contour map of the Galena-Platteville contact for the northern study area.


6' 001"  4'00"


2f 00"